Some never-seen-before negatives and color separations from Marilyn Monroe's iconic naked calendar shoot are going up for sale. The images, thought to have been lost since 1949, have just been released.

Photo: July 31, 2015/LimitedRuns.com/Splash News

Model and former Miss Italy finalist Melissa Castagnoli in a black thong bikini at the beach in Miami Beach, FL.

Photo: July 30, 2015/Splash News

Italian model Melissa Castagnoli in a black thong bikini at the beach in Miami Beach, FL.

Photo: July 30, 2015/Splash News

Model and former Miss Italy finalist, Melissa Castagnoli on Miami Beach in a sexy pink bikini.

Photo: July 30, 2015/Splash News

Claudia Romani rocks a red bikini in Miami.

Photo: July 29, 2015/Splash News

Claudia Romani rocks a red bikini in Miami.

Photo: July 29, 2015/Splash News

Mary Carey and Alicia Arden wear backless XPOZ jeans on air during the "Politically Naughty" show in Los Angeles.

Photo: July 29, 2015/Splash News

Mary Carey shows off her assets during the "Politically Naughty" show in Los Angeles.

Photo: July 29, 2015/Splash News

Hollie Hagan hits the red carpet at the Ego Professional X Macmillan Cancer Party In Soho, Central London.

Photo: July 29, 2015/Splash News

Hollie Hagan hits the red carpet at the Ego Professional X Macmillan Cancer Party In Soho, Central London.

Photo: July 29, 2015/Splash News

Beauty queen and bikini designer Lisa Opie was the center of attention as she showed off her shapely figure in a tiny bikini on Miami Beach. The model turned heads as she spent a sunny afternoon relaxing on the sand.

Photo: July 28, 2015/Splash News

Beauty queen and bikini designer Lisa Opie was the center of attention as she showed off her shapely figure in a tiny bikini on Miami Beach. The model turned heads as she spent a sunny afternoon relaxing on the sand.

Photo: July 28, 2015/Splash News

Jennifer Lopez celebrates her birthday in the Hamptons while wearing a see through black dress. 46 never looked this good!

Nicki Minaj grabs her booty while performing in Central Park for the GMA Summer Concert Series.

Photo: July 24, 2015/Getty Images

The candidates for the cheekiest pageant title in the world have been announced - and the line-up is more colourful than ever. These are the 27 candidates for the Miss Butt Brazil 2015 title - aka Miss Bumbum - each representing a Brazilian state.

American model Kayla Lewis at a swimwear photoshoot in Miami Beach, FL.

Photo: July 22, 2015/Splash News

26-year-old Brazilian model Camilla Gimenez, who has starred in a number of music videos, shows off the curves that have gained her a huge social media following in her latest LA shoot. The 5'7'' beauty was studying fashion design when she came to the US to study English - and was quickly spotted by casting agents to do modeling work.

Photo: July 21, 2015/Splash News

26-year-old Brazilian model Camilla Gimenez, who has starred in a number of music videos, shows off the curves that have gained her a huge social media following in her latest LA shoot. The 5'7'' beauty was studying fashion design when she came to the US to study English - and was quickly spotted by casting agents to do modeling work.

Kelly Bensimon shows off her bikini body in her Charlie by MZ bikini and wet Tshirt. Kelly was in South Beach for the fashion week swim events and even hosted her own Best in Swim party at the Dream South Beach Hotel.

Photo: July 20, 2015/Splash News

Kelly Bensimon shows off her bikini body in her Charlie by MZ bikini and wet Tshirt. Kelly was in South Beach for the fashion week swim events and even hosted her own Best in Swim party at the Dream South Beach Hotel.

Photo: July 20, 2015/Splash News

Kim Kardashian look-a-like Metisha Schaefer in a blue triangle top bikini at the beach in Miami beach, FL. Metisha was filming a television show for a German tv station.

Photo: July 20, 2015/Splash News

Kim Kardashian look-a-like Metisha Schaefer in a blue triangle top bikini at the beach in Miami beach, FL. Metisha was filming a television show for a German tv station.

American model Kelsey White in a bright yellow one piece swimsuit at the beach in Miami Beach, FL with Kailtynn Carter, Brody Jenner's girlfriend.

Photo: July 20, 2015/Splash News

Devin Brugman in a blue triangle top bikini at the beach in Miami Beach, FL.

Photo: July 20, 2015/Splash News

Michelle Hunziker and daughter Aurora Ramazzotti enjoy a family day at the beach in Forte dei Marmi, Italy.

Photo: July 17, 2015/INFPhoto.com

Michelle Hunziker and daughter Aurora Ramazzotti enjoy a family day at the beach in Forte dei Marmi, Italy.

Photo: July 17, 2015/INFPhoto.com

Actress Pasqualina Sanna shows off her hot bod on the beach in Ischia.

Photo: July 17, 2015/Splash News

Actress Pasqualina Sanna shows off her hot bod on the beach in Ischia.

Photo: July 17, 2015/Splash News

American model Joy Corrigan in a bikini photoshoot at the beach in Miami Beach, FL.

Photo: July 16, 2015/Splash News

British model and actress Gemma Atkinson showed off her great physique as she hit the the beach in Cuba. The 30-year-old is on holidays on the island and was spotted in a sexy bikini while making the most of the perfect weather.

Photo: July 16, 2015/Splash News

Aida Yespica relaxes in the ocean while on holiday.

Photo: July 16, 2015/Splash News

American model Devin Brugman in a blue triangle top bikini at the beach in Miami Beach, FL.

Photo: July 15, 2015/Splash News

American model Devin Brugman in a blue triangle top bikini at the beach in Miami Beach, FL.

Photo: July 15, 2015/Splash News

Celebrity fitness trainer Jennifer Nicole Lee shows off her fit and firm bikini body as she showers at the beach in a see through top, showing off her assets on Hollywood Beach in Florida.

Photo: July 15, 2015/Splash News

Australian model Natasha Oakley celebrates her birthday on the beach in Miami Beach, FL. Natasha wore an orange thong bikini and was delivered a flower arrangement which she showed off her to friends.

Photo: July 15, 2015/Splash News

As if it wasn't hot enough on the beach in Miami models Anais Zanotti and Tahiti Cora showed they truly are best buds as they put on a smoke show on the sands. The two Playboy models, who have a huge internet and social media following, spent a sweltering day sunbathing and having fun in Miami Beach, both untying their tops at times and showing plenty of 'sideboob' as they worked on those pesky tan-lines.

Photo: July 14, 2015/Splash News/Ellesse/JD Sports

Paula Echevarria is seen on July 14, 2015 in Ibiza, Spain.

Photo: July 15, 2015/Getty Images

As if it wasn't hot enough on the beach in Miami models Anais Zanotti and Tahiti Cora showed they truly are best buds as they put on a smoke show on the sands. The two Playboy models, who have a huge internet and social media following, spent a sweltering day sunbathing and having fun in Miami Beach, both untying their tops at times and showing plenty of 'sideboob' as they worked on those pesky tan-lines.

Photo: July 14, 2015/Splash News

As if it wasn't hot enough on the beach in Miami models Anais Zanotti and Tahiti Cora showed they truly are best buds as they put on a smoke show on the sands. The two Playboy models, who have a huge internet and social media following, spent a sweltering day sunbathing and having fun in Miami Beach, both untying their tops at times and showing plenty of 'sideboob' as they worked on those pesky tan-lines.

Lucy Mecklenburgh shows off her curves in the latest sportswear range by Ellesse.
The former TOWIE star models the spring summer '15 range, exclusively available at JD Sports.

Photo: July 14, 2015/Splash News

Model Aisha Thalia wears a red transparent bikini top and gold thong bottoms to the beach in Miami Beach, Florida.

Photo: July 13, 2015/Splash News

Model Aisha Thalia wears a red transparent bikini top and gold thong bottoms to the beach in Miami Beach, Florida.

Photo: July 13, 2015/Splash News

Anna Safroncik hangs out by the pool in an itty bitty bikini during Ischia Global Festival.

Photo: July 13, 2015/Splash News

Anna Safroncik hangs out by the pool in an itty bitty bikini during Ischia Global Festival.

Photo: July 13, 2015/Splash News

"The Real Housewives of Atlanta" star Claudia Jordan, 42, wore a white triangle top bikini at the beach in Miami Beach, Florida.

Photo: July 13, 2015/Splash News

Real Housewives of Atlanta star Claudia Jordan, 42, in a teal triangle top bikini at the beach in Miami Beach, Florida.

Photo: July 10, 2015/Splash News

Sebastian Kehl's wife Tina and their children enjoys a day in Miami, showing off her amazing beach body!

Photo: July 10, 2015/Splash News

Model Aisha Thalia in a thong bikini at the beach in Miami Beach, FL.

Photo: June 9, 2015/Splash News

Model Aisha Thalia in a thong bikini at the beach in Miami Beach, FL.

Photo: June 9, 2015/Splash News

Teen Mom star Mackenzie McKee shows off the bikini body adult entertainment giant Vivid wants to see in a sex tape.
Mackenzie hit the beach in Malibu as Vivid boss Steve Hirsch confirmed he has obtained steamy footage of her with her husband Josh and is keen to strike a deal to release it.

Photo: June 9, 2015/Splash News

Claudia Jordan, 42, from the 'Real Housewives of Atlanta' enjoys an afternoon at the beach in Miami Beach, FL.

Photo: June 9, 2015/Splash News

"Teen Mom" and sex tape star Farrah Abraham is launching a new range of sex toys with adult novelty manufacturers Topco Sales. Farrah will officially unveil the new line at the ANME Show in Burbank, California, later this month.

Photo: July 8, 2015/Topco Sales/Splash News

Miss Austria 2014 Tamara Freiler at a photoshoot for German lingerie designer Masha Schubbach at Titanic Hotel in Berlin.

Photo: July 8, 2015/Splash News

Miss Austria 2014 Tamara Freiler at a photoshoot for German lingerie designer Masha Schubbach at Titanic Hotel in Berlin.

Photo: July 8, 2015/Splash News

French WAG Ludivine Sagna in a print swimsuit at the beach in Miami Beach, FL. She enjoyed her final day of her Florida holiday in a trikini that showed off a lot of sideboob.

Photo: July 8, 2015/Splash News

Veronica Moreira Basso topless on the beach in Miami Beach, FL. Veronica is the girlfriend of QPR footballer Sandro.

Photo: July 7, 2015/Splash News

Veronica Moreira Basso topless on the beach in Miami Beach, FL. Veronica is the girlfriend of QPR footballer Sandro.

Photo: July 7, 2015/Splash News

Ludivine Kadri Sagna wearing a revealing see-through black bikini top on the beach in Miami Beach.

Photo: July 7, 2015/Splash News

Eva Longoria shows off her hot bod on July 5, 2015 in Marbella, Spain.

Lexy Stevens at super paradise beach in Mykonos, Greece on July 5, 2015.

Photo: July 6, 2015/Splash News

Lexy Stevens at super paradise beach in Mykonos, Greece on July 5, 2015.

Photo: July 6, 2015/Splash News

Bikini-dressed contestants pose during the first round for the Central China region of the Miss Bikini Global 2015 competition at the Wuhan Playa Maya Water Park in Wuhan City in central China's Hubei province on July 4, 2015.

Photo: July 6, 2015/Splash News

Ludivine Kadri Sagna, wife of Bacary Sagna, is seen showing off her soccer skills on the beach in Miami.

Photo: July 6, 2015/Splash News

Ludivine Kadri Sagna, who was wearing a mismatch bikini, spotted on the beach in Miami.

Photo: July 6, 2015/Splash News

Model Abbey Clancy works up a sweat as the new face of athletics brand, Reebok. The 29-year-old fronts the new Autumn/Winter '15 collection for the company.